package com.zto.thymeleaf.exception;

import javax.servlet.http.HttpServletRequest;

import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;

@ControllerAdvice
public class GlobalDefaultExceptionHandler {

    @ExceptionHandler(value = Exception.class)
    public void defaultErrorHandler(HttpServletRequest req, Exception e) {
        // // If the exception is annotated with @ResponseStatus rethrow it and let
        // // the framework handle it - like the OrderNotFoundException example
        // // at the start of this post.
        // // AnnotationUtils is a Spring Framework utility class.
        // if (AnnotationUtils.findAnnotation(e.getClass(), ResponseStatus.class) != null)
        // throw e;
        //

        // 打印异常信息：
        e.printStackTrace();
        System.out.println("GlobalDefaultExceptionHandler.defaultErrorHandler()");

        /*
         * 返回json数据或者String数据： 那么需要在方法上加上注解：@ResponseBody 添加return即可。
         */

        /*
         * 返回视图： 定义一个ModelAndView即可， 然后return; 定义视图文件(比如：error.html,error.ftl,error.jsp);
         */
        // Otherwise setup and send the user to a default error-view.
        /*ModelAndView mav = new ModelAndView();
        mav.addObject("exception", e);
        mav.addObject("url", req.getRequestURL());
        mav.setViewName(DEFAULT_ERROR_VIEW);
        return mav;*/
    }

}